can anyone help me converting the image to base64 before sending it to the server
below is the code I’m using…
import { Component } from '@angular/core';
import { IonicPage, NavController, NavParams,ActionSheetController, ToastController, Platform, LoadingController, Loading } from 'ionic-angular';
import { Camera, CameraOptions } from '@ionic-native/camera';
import { File } from '@ionic-native/file';
import { FileTransfer, FileTransferObject } from '@ionic-native/file-transfer';
import { FilePath } from '@ionic-native/file-path';
declare var cordova: any;
/**
* Generated class for the SecFourPage page.
*
* See https://ionicframework.com/docs/components/#navigation for more info on
* Ionic pages and navigation.
*/
@IonicPage()
@Component({
selector: 'page-sec-four',
templateUrl: 'sec-four.html',
})
export class SecFourPage {
ionViewDidLoad() {
console.log('ionViewDidLoad SecFourPage');
// }
// pickImg(){
// let options = {
// destinationType : Camera.DestinationType.DATA_URL,
// sourceType : Camera.PictureSourceType.PHOTOLIBRARY
// };
// navigator.camera.getPicture(
// (data) => {
// let image = "data:image/jpeg;base64," + data;
// },
// (error) => { },
// options
// );
}
lastImage: string = null;
loading: Loading;
constructor(public navCtrl: NavController, private camera: Camera, private transfer: FileTransfer, private file: File, private filePath: FilePath, public actionSheetCtrl: ActionSheetController, public toastCtrl: ToastController, public platform: Platform, public loadingCtrl: LoadingController) { }
public presentActionSheet() {
let actionSheet = this.actionSheetCtrl.create({
title: 'Select Image Source',
buttons: [
{
text: 'Load from Library',
handler: () => {
this.takePicture(this.camera.PictureSourceType.PHOTOLIBRARY);
}
},
{
text: 'Use Camera',
handler: () => {
this.takePicture(this.camera.PictureSourceType.CAMERA);
}
},
{
text: 'Cancel',
role: 'cancel'
}
]
});
actionSheet.present();
}
public takePicture(sourceType) {
// Create options for the Camera Dialog
var options = {
quality: 100,
sourceType: sourceType,
saveToPhotoAlbum: false,
correctOrientation: true
};
// Get the data of an image
this.camera.getPicture(options).then((imagePath) => {
// Special handling for Android library
if (this.platform.is('android') && sourceType === this.camera.PictureSourceType.PHOTOLIBRARY) {
this.filePath.resolveNativePath(imagePath)
.then(filePath => {
let correctPath = filePath.substr(0, filePath.lastIndexOf('/') + 1);
let currentName = imagePath.substring(imagePath.lastIndexOf('/') + 1, imagePath.lastIndexOf('?'));
this.copyFileToLocalDir(correctPath, currentName, this.createFileName());
});
} else {
var currentName = imagePath.substr(imagePath.lastIndexOf('/') + 1);
var correctPath = imagePath.substr(0, imagePath.lastIndexOf('/') + 1);
this.copyFileToLocalDir(correctPath, currentName, this.createFileName());
}
}, (err) => {
this.presentToast('Error while selecting image.');
});
}
private createFileName() {
var d = new Date(),
n = d.getTime(),
newFileName = n + ".jpg";
return newFileName;
}
// Copy the image to a local folder
private copyFileToLocalDir(namePath, currentName, newFileName) {
this.file.copyFile(namePath, currentName, cordova.file.dataDirectory, newFileName).then(success => {
this.lastImage = newFileName;
}, error => {
this.presentToast('Error while storing file.');
});
}
private presentToast(text) {
let toast = this.toastCtrl.create({
message: text,
duration: 3000,
position: 'top'
});
toast.present();
}
// Always get the accurate path to your apps folder
public pathForImage(img) {
if (img === null) {
return '';
} else {
return cordova.file.dataDirectory + img;
}
}
public uploadImage() {
// Destination URL
var url = "http://;
// File for Upload
var targetPath = this.pathForImage(this.lastImage);
// File name only
var filename = this.lastImage;
var options = {
fileKey: "file",
fileName: filename,
chunkedMode: false,
mimeType: "multipart/form-data",
params : {'i2': filename}
};
const fileTransfer: FileTransferObject = this.transfer.create();
this.loading = this.loadingCtrl.create({
content: 'Uploading...',
});
this.loading.present();
// Use the FileTransfer to upload the image
fileTransfer.upload(targetPath, url, options).then(data => {
this.loading.dismissAll()
this.presentToast('Image succesful uploaded.');
}, err => {
this.loading.dismissAll()
this.presentToast('Error while uploading file.');
});
}
}